Deltic
abbr. delay line time compression 延迟线路时间压缩（装置）
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
All things are easy that are done willingly.
做事乐意，诸事容易。
What seems to be the problem.
什么样的问题呢？